Agent skill

Checkpoint Brief

by WILLOSCAR in WILLOSCAR/research-units-pipeline-skills

Project completed stage Artifacts into a concise human-review block in DECISIONS.md; use before a Workflow checkpoint, not for Workflow routing or approval.

No licenceAuto-check passed

Install Checkpoint Brief

skills CLI
$ npx skills add WILLOSCAR/research-units-pipeline-skills --skill checkpoint-brief -a claude-code

Project install by default; add -g for ~/.claude/skills/.

GitHub CLI
$ gh skill install WILLOSCAR/research-units-pipeline-skills checkpoint-brief --agent claude-code

Project scope by default; add --scope user for a personal install. Needs GitHub CLI 2.90.0 or later (public preview).

Manual copy
$ git clone --depth 1 https://github.com/WILLOSCAR/research-units-pipeline-skills.git skills-src && mkdir -p .claude/skills && cp -r skills-src/.codex/skills/checkpoint-brief .claude/skills/checkpoint-brief && rm -rf skills-src

Use ~/.claude/skills/ instead of .claude/skills for a personal install. The folder must contain SKILL.md.

Claude Code skills documentation · loads skills from .claude/skills/

Facts

Skill name
checkpoint-brief
GitHub stars
513
Token cost
~407 tokens
SKILL.md length
166 words
Files
2 (incl. scripts)
Skills in repo
107
Repo updated
First seen
Licence
None found

At a glance

Project completed stage Artifacts into a concise human-review block in DECISIONS.md; use before a Workflow checkpoint, not for Workflow routing or approval.

  • Works in 5 steps: Read the locked Workflow and current… → Inspect only the declared stage Artifacts. → Summarize scope, structure, coverage,… → …
  • SKILL.md covers Inputs, Output, Steps and Acceptance, plus 1 more section
  • Runs Python scripts from its folder; calls uv

What it does

Checkpoint Brief is an agent skill from WILLOSCAR/research-units-pipeline-skills. Project completed stage Artifacts into a concise human-review block in DECISIONS.md; use before a Workflow checkpoint, not for Workflow routing or approval.

Its SKILL.md is about 410 tokens, which your agent loads only when the skill is triggered. The skill folder holds 2 other files, including scripts (for example `scripts/run.py`).

The repository describes itself as: Research pipelines as semantic execution units: each skill declares inputs/outputs, acceptance criteria, and guardrails. Evidence-first methodology prevents hollow writing…

Example prompts

  • “/checkpoint-brief”

Requirements

  • Python 3

Workflow steps

5 steps, taken from the first numbered list in SKILL.md.

  1. Read the locked Workflow and current checkpoint.
  2. Inspect only the declared stage Artifacts.
  3. Summarize scope, structure, coverage, and unresolved choices without adding
  4. Upsert the checkpoint block while preserving the approval checklist and
  5. Stop before approval. human-checkpoint owns the approval Decision.

What it can do on your machine

Read from SKILL.md and the folder at commit c92912a. It shows what the files ask for, not the result of running them.

  • Tool permissions

    Pre-approves nothing: there is no allowed-tools line, so your agent's usual permission prompts apply.

    From allowed-tools in the SKILL.md frontmatter.

  • Runs code

    Ships 1 file in scripts/ (Python), which the agent can run.

    Shell commands in SKILL.md call:

    • uv

    From the folder's file list and the shell code blocks in SKILL.md.

  • Network

    No URLs in SKILL.md. Its commands use uv, which can reach the network depending on how they are called.

    From URLs in SKILL.md, links to its own repository left out.

  • Credentials

    Names no API keys, tokens, secrets or passwords.

    From names ending in _API_KEY, _TOKEN, _SECRET, _KEY or _PASSWORD in SKILL.md.

Context cost

Checkpoint Brief loads about 407 tokens when it runs. Until then it costs about 44 tokens; SKILL.md has 166 words of instructions outside code blocks.

Always · name and description, kept in context so the agent knows when to use it
~44
When it runs · the whole SKILL.md, loaded when a task matches
~407

Estimates: characters ÷ 4, the usual rule of thumb; real counts depend on the model's tokenizer. Scripts and assets cost tokens only if the agent reads them.

Safety

Auto-check passed

The automated check found no risky patterns in SKILL.md.

Automated static check — not a guarantee. Review scripts before installing. It scans the text of SKILL.md for risky patterns (piping downloads into a shell, reading credential files, hidden Unicode, destructive commands); the scripts in this folder are not scanned.

SKILL.md

Without a licence we can't republish the file, so here is its outline and opening line. It has 166 words (~407 tokens).

“Prepare the review surface between machine-produced Artifacts and a human checkpoint. This Skill summarizes; it does not choose a Workflow, approve a checkpoint, or modify semantic Artifacts.”

— opening of SKILL.md by WILLOSCAR
name
checkpoint-brief

Read the full SKILL.md on GitHub

Files

SKILL.md and 1 other file (scripts) in .codex/skills/checkpoint-brief of WILLOSCAR/research-units-pipeline-skills.

  • SKILL.md
  • scripts/run.py

Open the folder on GitHubat commit c92912a

Compare with similar skills

Checkpoint Brief next to the 5 skills that share the most tags, products or categories with it. Stars are the repository's; “used in” counts other GitHub owners with a copy.

Checkpoint Brief compared with similar skills
SkillStarsUsed inTokensAuto-checkLicenceRepo updated
Checkpoint Brief this skillWILLOSCAR/research-units-pipeline-skills513—~407Automated safety check: PassNone
Briefalirezarezvani/claude-skills28k—~967Automated safety check: PassMIT
Artifacts Buildernexu-io/open-design100k—~347Automated safety check: PassApache-2.0
Web Artifacts Builderanthropics/skills180k41 repos~769Automated safety check: PassApache-2.0
Web Artifacts Buildernexu-io/open-design100k—~337Automated safety check: PassApache-2.0
Web Artifacts Buildersickn33/agentic-awesome-skills47k3 repos~824Automated safety check: PassApache-2.0

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Questions about Checkpoint Brief

What does Checkpoint Brief do?

Project completed stage Artifacts into a concise human-review block in DECISIONS.md; use before a Workflow checkpoint, not for Workflow routing or approval. Checkpoint Brief is an agent skill from WILLOSCAR/research-units-pipeline-skills.md; use before a Workflow checkpoint, not for Workflow routing or approval.

How do I install Checkpoint Brief in Claude Code?

Run `npx skills add WILLOSCAR/research-units-pipeline-skills --skill checkpoint-brief -a claude-code`. Or copy the skill folder (.codex/skills/checkpoint-brief in WILLOSCAR/research-units-pipeline-skills) into .claude/skills/checkpoint-brief in your project. Claude Code loads it when a task matches its description.

How do I install Checkpoint Brief in Codex?

Run `npx skills add WILLOSCAR/research-units-pipeline-skills --skill checkpoint-brief -a codex`. Or copy the skill folder (.codex/skills/checkpoint-brief in WILLOSCAR/research-units-pipeline-skills) into .agents/skills/checkpoint-brief in your project. Codex loads it when a task matches its description.

Can I use Checkpoint Brief in Cursor, Gemini CLI or GitHub Copilot?

Cursor, Gemini CLI, GitHub Copilot and OpenCode also load SKILL.md folders. With the skills CLI, run `npx skills add WILLOSCAR/research-units-pipeline-skills --skill checkpoint-brief -a cursor` (or -a gemini-cli, github-copilot or opencode for the others). To copy it by hand, put the folder in .cursor/skills/checkpoint-brief, .gemini/skills/checkpoint-brief, .github/skills/checkpoint-brief and .opencode/skills/checkpoint-brief in your project.

What does Checkpoint Brief need to run?

Going by SKILL.md and its folder, Checkpoint Brief needs Python for the scripts in its folder and the command-line tools its instructions call (uv). Our summary lists: Python 3.

Does Checkpoint Brief access the network?

SKILL.md contains no URLs. Its commands use uv, which can reach the network depending on how they are called. This is read from the text; nothing was executed.

Is Checkpoint Brief safe to install?

Our automated static check of SKILL.md found no risky patterns, such as piping downloads into a shell, reading credential files or hidden Unicode. It is not a guarantee. The check reads SKILL.md only: the scripts in the folder are not scanned, so read them before running anything.

What licence does Checkpoint Brief use?

No licence was found for Checkpoint Brief or its repository. Without one, default copyright applies: ask the author before reusing or redistributing it.

How many tokens does Checkpoint Brief use?

About 407 tokens (SKILL.md is roughly 1.6k characters). Agents keep only the skill's name and description in context until a task matches; then they load SKILL.md in full.

What are the alternatives to Checkpoint Brief?

Skills that share tags, products or a category with Checkpoint Brief: Brief (alirezarezvani/claude-skills, 28k stars), Artifacts Builder (nexu-io/open-design, 100k stars), Web Artifacts Builder (anthropics/skills, 180k stars) and Web Artifacts Builder (nexu-io/open-design, 100k stars). The comparison table on this page puts their stars, adoption, token cost, safety result and licence side by side.

Who maintains Checkpoint Brief?

WILLOSCAR (a GitHub user) maintains it in WILLOSCAR/research-units-pipeline-skills, which has 513 GitHub stars. The repository holds 107 skills in this directory. The repository was last updated on October 5, 2026.

Source: WILLOSCAR/research-units-pipeline-skills on GitHub. Facts on this page come from the repository at the commit we read; the author's words are quoted as theirs.